<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app"></div>
    <script type="text/javascript" src="../js/react.development.js"></script>
    <script type="text/javascript" src="../js/react-dom.development.js"></script>
    <script type="text/javascript" src="../js/babel.min.js"></script>
    <script type="text/babel">
    class Test extends React.Component {
        
        death = () => {
            console.log('卸载组件');
            // 卸载组件
            ReactDOM.unmountComponentAtNode(document.querySelector('#app'));
        }
        render() {
            return (
                <div>
                    <h2>变化的文案-从深到浅</h2>
                    <button onClick={this.death}>卸载组件</button>
                </div>
            )
        }
    }
    
    // 渲染dom
    ReactDOM.render(<Test />, document.getElementById('app'))
    </script>

</body>
</html>